R55 U-shaped for fixed/track, rim only, built onto a Powertap hub I already owned. Posted over in the users’ bikes thread TrainerRoad users' bikes - #1462 by spinnnout
AR46 V-shaped for road disc, built onto DT350 hubs using CX ray spokes. They are very stiff, no flex & run them with 28c 5000 TL for some comfort.
That is something to consider - I’ve loaned the road set out for people to test ride and the general feedback has been that they are fast, go where you point them but they are not much fun on rough roads. I’ve no other carbon wheels to compare against.